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Properties of Polypropylene Based Insulating Materials Improved by Grafting Voltage Stabilizer
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Manzhi SHAO1, Yuxin WAN1, Yue NIU2, Chunyang LI1, Hong ZHAO1, Zhenguo YUE3
Insulating Materials | 2022, 55(5) : 35 - 41
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Insulating Materials | 2022, 55(5): 35-41
• Material Research •
Properties of Polypropylene Based Insulating Materials Improved by Grafting Voltage Stabilizer
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Manzhi SHAO1, Yuxin WAN1, Yue NIU2, Chunyang LI1, Hong ZHAO1, Zhenguo YUE3
Affiliations
  • 1Key Laboratory of Engineering Dielectrics and Its Application, Ministry of Education, Harbin University of Science and Technology, Harbin 150080, China
  • 2Chifeng Power Supply Company, State Grid East Inner Mongolia Electric Power Company Limited, Chifeng 024000, China
  • 3Zhejiang Chenguang Cable Company Limited, Pinghu 314204, China
Published: 2022-05-20 doi: 10.16790/j.cnki.1009-9239.im.2022.05.005
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The aromatic ketone polymer 4-allyloxy-2-hydroxybenzophenone (AOHBP) was selected as voltage stabilizer. In order to inhibit the migration and precipitation of voltage stabilizer in polymer, dicumyl peroxide (DCP) was used as initiator to graft AOHBP on PP, and an anti-degradation additive styrene derivative (St) was added to inhibit the material degradation caused by the grafting process of voltage stabilizer. The physical and chemical properties of the modified material were characterized, and the electrical treeing initiation characteristics and DC breakdown characteristics of the modified material were studied. The results show that the AOHBP can graft on the PP matrix by the free radical reaction initiated by DCP, and the St and AOHBP can inhibit the macromolecular degradation of PP during the grafting reaction process synergistically. The grafting modified PP insulating material can inhibit the initiation of electrical tree and improve the DC electric strength significantly.

polypropylene  /  voltage stabilizer  /  electrical tree  /  DC breakdown
Manzhi SHAO, Yuxin WAN, Yue NIU, Chunyang LI, Hong ZHAO, Zhenguo YUE. Properties of Polypropylene Based Insulating Materials Improved by Grafting Voltage Stabilizer[J]. Insulating Materials, 2022 , 55 (5) : 35 -41 . DOI: 10.16790/j.cnki.1009-9239.im.2022.05.005
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doi: 10.16790/j.cnki.1009-9239.im.2022.05.005
  • Receive Date：2021-07-13
  • Online Date：2025-12-22
  • Published：2022-05-20
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History
  • Received：2021-07-13
  • Revised：2021-09-12
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Affiliations
    1Key Laboratory of Engineering Dielectrics and Its Application, Ministry of Education, Harbin University of Science and Technology, Harbin 150080, China
    2Chifeng Power Supply Company, State Grid East Inner Mongolia Electric Power Company Limited, Chifeng 024000, China
    3Zhejiang Chenguang Cable Company Limited, Pinghu 314204, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2022.05.005
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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